With soup, regularly refresh members of union (8)
I believe the answer is:
brothers
'members of union' is the definition.
The answer and definition can be both people as well as being plural nouns.
Perhaps you can see a link between them that I can't see?
'with soup regularly refresh' is the wordplay.
'with' says to put letters next to each other.
'soup' becomes 'broth' (broth is a kind of soup).
'regularly' means one should take alternating letters (regularly take one letter, leave next etc.).
The alternating letters of 'refresh' are 'ers'.
'broth'+'ers' is 'BROTHERS'.
Can you help me to learn more?
(Other definitions for brothers that I've seen before include "Siblings (in arms or in law?)" , "See 15" , "See 5" , "Fraternal relatives" , "Fraternal relations" .)